11.   The sun was setting behind the opposite bank.

12.   The sun was setting in a blaze of pink, casting rosy shadows on the undersides of large, wet-looking clouds.

13.   The sun was setting on the tops of the distant mountains.

14.   They watched the sun set behind the distant dales.

15.   We waited for the sun to set before starting the fire.

16.   She watched the sun set behind the mountains.

17.   She watched the sun set behind the hills.

18.   He stopped to watch the sun set.

19.   The sun had just set.

20.   By the time they came back to the club house the sun was already setting.